I am running kernel 2.6.29, and saw this kernel oops in kmpathd today. Some ports to an FC switch we're activated, and new devices we're being found when this occured. It seems to be difficult to duplicate; any ideas? Jun 2 17:47:13 cs02 kernel: BUG: unable to handle kernel NULL pointer dereference at 000000b7 Jun 2 17:47:13 cs02 kernel: IP: [<f7345f74>] 0xf7345f74 Jun 2 17:47:13 cs02 kernel: *pde = 00000000 Jun 2 17:47:14 cs02 kernel: Oops: 0002 [#1] SMP Jun 2 17:47:14 cs02 kernel: last sysfs file: /sys/devices/pci0000:00/0000:00:02.0/0000:01:00.0/host0/rport-0:0-5/target0:0:5/0:0:5:0/block/sdf/dev Jun 2 17:47:14 cs02 kernel: Modules linked in: bonding Jun 2 17:47:14 cs02 kernel: Jun 2 17:47:14 cs02 kernel: Pid: 595, comm: kmpathd/0 Not tainted (2.6.29 #2) Sossaman/Lindhrst Allagash Reference Board Jun 2 17:47:14 cs02 kernel: EIP: 0060:[<f7345f74>] EFLAGS: 00010282 CPU: 0 Jun 2 17:47:14 cs02 kernel: EIP is at 0xf7345f74 Jun 2 17:47:14 cs02 kernel: EAX: f705eb80 EBX: f662d880 ECX: 00000000 EDX: 000000b7 Jun 2 17:47:14 cs02 kernel: ESI: f662df80 EDI: 00000282 EBP: f5a7e4f0 ESP: f7345f78 Jun 2 17:47:14 cs02 kernel: DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Jun 2 17:47:14 cs02 kernel: Process kmpathd/0 (pid: 595, ti=f7344000 task=f705eb80 task.ti=f7344000) Jun 2 17:47:14 cs02 kernel: Stack: Jun 2 17:47:14 cs02 kernel: f69fd400 f69fd400 f5a7e4f4 c0137923 00000246 f7345fb4 00000001 f69fd410 Jun 2 17:47:14 cs02 kernel: c03422c0 f69fd410 f69fd418 f69fd400 f69fd400 f69fd410 c0137cc7 00000000 Jun 2 17:47:14 cs02 kernel: f705eb80 c013b3a0 f7345fc0 f7345fc0 c0137c80 f69fd400 00000000 00000000 Jun 2 17:47:14 cs02 kernel: Call Trace: Jun 2 17:47:14 cs02 kernel: [<c0137923>] run_workqueue+0x73/0x120 Jun 2 17:47:14 cs02 kernel: [<c03422c0>] process_queued_ios+0x0/0x160 Jun 2 17:47:14 cs02 kernel: [<c0137cc7>] worker_thread+0x47/0x90 Jun 2 17:47:14 cs02 kernel: [<c013b3a0>] autoremove_wake_function+0x0/0x40 Jun 2 17:47:14 cs02 kernel: [<c0137c80>] worker_thread+0x0/0x90 Jun 2 17:47:14 cs02 kernel: [<c013b079>] kthread+0x39/0x70 Jun 2 17:47:14 cs02 kernel: [<c013b040>] kthread+0x0/0x70 Jun 2 17:47:14 cs02 kernel: [<c0103f0b>] kernel_thread_helper+0x7/0x1c Jun 2 17:47:14 cs02 kernel: Code: 00 00 00 80 df 62 f6 82 02 00 00 f0 e4 a7 f5 80 eb 05 f7 7b 00 62 f6 7b 00 62 f6 d8 00 a7 f5 ff ff ff ff 74 5f 34 f7 60 00 00 00 <82> 02 01 00 00 d4 9f f6 00 d4 9f f6 f4 e4 a7 f5 23 79 13 c0 46 Jun 2 17:47:14 cs02 kernel: EIP: [<f7345f74>] 0xf7345f74 SS:ESP 0068:f7345f78 Jun 2 17:47:14 cs02 kernel: ---[ end trace 256818778cd84edd ]--- -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
